SDR SI3R98012

Service difficulty report · Housing · Boeing 747*

Difficulty date
July 7, 1998
Submitted
March 26, 2000
Operation
General aviation
Filed by
SI3R842L
Hamilton Sundstrand World Wide Repair
Make and model
Boeing 747*
Part
Housing
Part number
7274504
Condition
Performated
Location
Acm
Part time
13,663 hours
Component
Hamstd · 7192389
Stage of operation
IN
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

UPON RECEIPT OF THE COMPESSOR HOUSING, THE FOLLOWING CONDITIONS WERE NOTED AT TEAR-DOWN: COMPRESSOR HOUSING HAS A 1 INCH PERFORATION IN WALL NEAR DUCT. (REF: CMM 21-51-03 PAGE 436A). SHAFT, WHICH IS MATED TO ROTOR, SNAPPED AND PIECES OF ROTOR SNAPPED OFF DUE TO CONTACT WITH HOUSING. (REF: CMM 21-51-03 PAGE 516). ONE PIECE OF THE ROTOR APPEARS TO HAVE GONE THROUGH THE HOUSING WALL. CUSTOMER P.O. 481W41761. S.O. NR 88383SG. (X)